I'm in England, although it's difficult to say what my effective timezone is.
It won't work in everything, but it will work in some other things.
[quote]If I have 3 folders which I do not want to include, I guess the following would be the filter string if the folders were named Trip1_Jan, Trip2_Feb, and Trip3_Mar, and they were the only folders whose name started with "Trip".
You may need brackets, and you should not include the .* as the folder names do not have dots or extensions in them.
So this is what you could use:
Using that as a filter in Flat View may have unwanted effects, though. It will also filter out any files with names like Trip01.jpg
You'd be better off using
That is safer, since you're unlikely to have files called any of those three names.
[quote]And, as you noted, to include these 3 extensions, it would be
To exclude then
You probably need the extra brackets again:
That gets quite difficult if you're trying to do that in a single wildcard expression.
To do complex filtering, filtering some things in and other things out, I would use the Find tool (Tools -> Find Panel) instead of trying to use filtering and Flat View. With the Find tool you can break things down and create complex rules much more easily.